namespace System.Collections.Generic
{
    [ComVisible(false)]
    [DebuggerDisplay("Count = {Count}")]
    [DebuggerTypeProxy(typeof(Mscorlib_DictionaryDebugView<?, ?>))]
    [DefaultMember("Item")]
    public class Dictionary<TKey, TValue> : ICollection<KeyValuePair<TKey, TValue>>, IDictionary<TKey, TValue>, IEnumerable<KeyValuePair<TKey, TValue>>, ICollection, IDictionary, IEnumerable, IDeserializationCallback, ISerializable
    {
        public Dictionary(IEqualityComparer<TKey> comparer);
    }
}